Speaker



FIG. 1 is a front elevational view of a speaker showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top, front and right side perspective view thereof;

FIG. 8 is a top, rear and left side perspective view thereof; and,

FIG. 9 is an enlarged view of portion 9 in FIG. 7.

The broken lines in the drawings illustrate portions of the speaker which form no part of the claimed design. 

CLAIM The ornamental design for a speaker, as shown and described. 